Vibration Motor

摘要

A vibration motor includes a housing having a receiving space and a vibration unit. The vibration unit includes a main weight, a main pole plate, and a main magnet carried by the main pole plate. The main weight includes a first weight, and a second weight opposed to the first weight, the main magnet being sandwiched between the first and second weights, and two ends of the main pole plate respectively connected to the first weight and the second weight. The vibration unit further includes an auxiliary weight, an auxiliary pole plate, and an auxiliary magnet carried by the auxiliary pole plate. One of the main weight and the auxiliary weight forms a recess, and another forms a flange extending along a vibration direction corresponding to the recesses for engaging the main weight and the auxiliary weight.

主权项

1. A vibration motor, comprising:
a housing having a receiving space; a vibration unit accommodated in the receiving space, the vibration unit including:
a main weight, a main pole plate, and a main magnet carried by the main pole plate, the main weight comprising a first weight, and a second weight opposed to and apart from the first weight, the main magnet being sandwiched between the first and second weights, and two ends of the main pole plate respectively connected to the first weight and the second weight;an auxiliary weight, an auxiliary pole plate, and an auxiliary magnet carried by the auxiliary pole plate; a plurality of elastic members suspending the vibration unit in the receiving space; wherein one of the main weight and the auxiliary weight forms a plurality of recesses, and another of the main weight and the auxiliary weight forms a plurality of flanges extending along a vibration direction corresponding to the recesses for engaging the main weight and the auxiliary weight.